A 21-slide, editable teaching presentation focusing on the compensation addition strategy.
This PowerPoint steps through the skills necessary to apply the compensation strategy successfully when adding numbers mentally. The presentation includes worked-out examples of rounding one and both addends, with gradual release towards independent work.
Use the pen tool during Slide Show mode to complete the sums.
Easily modify this teaching presentation to suit the abilities of your class by duplicating slides and changing the numbers used in the examples.